Zi Tan, MD
NPI 1063074102ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Charleston, SC
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) with University Medical Associates of the Medical University of South Carol, practicing in Charleston, South Carolina. Their prescriptions cost Medicare Part D more than their services did: $112,021 for 326 claims, against $11,636 paid for services in 2024. Emd Serono, Inc. reported $26.42 in payments in 2025, mostly food and beverage. Lists Musc Health Columbia Medical Center Downtown and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1063074102 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 28, 2019 |
| Last updated in NPPES | Aug 7, 2024 |
| Certified by provider | Aug 7, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | MD92562 | SC |
| Internal Medicine, Endocrinology, Diabetes & Metabolism | 207RE0101X | MD-49544 | IA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Endocrinology (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 88 |
|---|---|
| Services billed | 147 across 11 procedure codes |
| Paid by Medicare | $11,636 |
Part D prescriptions in 2024
| Prescriptions (claims) | 326 · 554 30-day fills |
|---|---|
| Patients | 90 |
| Total drug cost | $112,021 |
| Generic share | 57% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Endocrinology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- University Medical Associates of the Medical University of South CarolCharleston, SC · 1,668 clinicians
Hospital affiliations
- Musc Health Columbia Medical Center DowntownColumbia, SC
- Musc Health Florence Medical CenterFlorence, SC
- Musc Medical CenterCharleston, SC
- Tidelands Georgetown Memorial HospitalGeorgetown, SC
- Tidelands Waccamaw Community HospitalMurrells Inlet, SC
Industry payments (Open Payments)
- 2025$26.42 · 1 payment from 1 company
- 2024$123.45 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Emd Serono, Inc. | $26.42 | 1 |
What the 2025 payments were for
- Food and Beverage$26.42 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 33 endocrinologists in Charleston · All endocrinologists in South Carolina